After-Hours Buzz: ORCL, GOOG, FNP & More

PetSmart will replace Sunoco in the S&P 500 effective after the market close on October 4. (Click here for after-hours quotes.)

Oracle - The tech giant's president, Mark Hurd, told CNBC that the company grew its software business by 11 percent during the quarter, with double-digit growth in the U.S. and Asia. He added that the company has been working on cloud applications for several years. Shares edged higher in extended-hours trading. (Click here for after-hours quote.)

Whiting Petroleum - SunTrust downgraded its rating on the oil and gas company to "neutral" from "buy." (Click here for after-hours quote.)

Pentair - The water-filtration company announced an additional $800 million share buyback plan. The company previously announced a $400 million authorization last Friday. (Click here for after-hours quote.)

First Republic Bank - Macquaire Research initiated coverage of the bank and wealth-management company with a "neutral" rating and a $35 price target. (Click here for after-hours quote.)